1 files changed, 95 insertions, 0 deletions
diff --git a/lib/private/Repair/Owncloud/MoveAvatarsBackgroundJob.php b/lib/private/Repair/Owncloud/MoveAvatarsBackgroundJob.php
new file mode 100644
index 00000000000..e145fb71863
--- /dev/null
+++ b/lib/private/Repair/Owncloud/MoveAvatarsBackgroundJob.php
@@ -0,0 +1,95 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OC\Repair\Owncloud;
+
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\BackgroundJob\QueuedJob;
+use OCP\Files\IRootFolder;
+use OCP\Files\NotFoundException;
+use OCP\Files\Storage\IStorage;
+use OCP\IAvatarManager;
+use OCP\IUser;
+use OCP\IUserManager;
+use Psr\Log\LoggerInterface;
+use function is_resource;
+
+class MoveAvatarsBackgroundJob extends QueuedJob {
+	private ?IStorage $owncloudAvatarStorage = null;
+
+	public function __construct(
+		private IUserManager $userManager,
+		private LoggerInterface $logger,
+		private IAvatarManager $avatarManager,
+		private IRootFolder $rootFolder,
+		ITimeFactory $time,
+	) {
+		parent::__construct($time);
+		try {
+			$this->owncloudAvatarStorage = $rootFolder->get('avatars')->getStorage();
+		} catch (\Exception $e) {
+		}
+	}
+
+	public function run($arguments) {
+		$this->logger->info('Started migrating avatars to AppData folder');
+		$this->moveAvatars();
+		$this->logger->info('All avatars migrated to AppData folder');
+	}
+
+	private function moveAvatars(): void {
+		if (!$this->owncloudAvatarStorage) {
+			$this->logger->info('No legacy avatars available, skipping migration');
+			return;
+		}
+
+		$counter = 0;
+		$this->userManager->callForSeenUsers(function (IUser $user) use (&$counter) {
+			$uid = $user->getUID();
+
+			$path = 'avatars/' . $this->buildOwnCloudAvatarPath($uid);
+			$avatar = $this->avatarManager->getAvatar($uid);
+			try {
+				$avatarPath = $path . '/avatar.' . $this->getExtension($path);
+				$resource = $this->owncloudAvatarStorage->fopen($avatarPath, 'r');
+				if (is_resource($resource)) {
+					$avatar->set($resource);
+					fclose($resource);
+				} else {
+					throw new \Exception('Failed to open old avatar file for reading');
+				}
+			} catch (NotFoundException $e) {
+				// In case there is no avatar we can just skip
+			} catch (\Throwable $e) {
+				$this->logger->error('Failed to migrate avatar for user ' . $uid, ['exception' => $e]);
+			}
+
+			$counter++;
+			if ($counter % 100 === 0) {
+				$this->logger->info('{amount} avatars migrated', ['amount' => $counter]);
+			}
+		});
+	}
+
+	/**
+	 * @throws NotFoundException
+	 */
+	private function getExtension(string $path): string {
+		if ($this->owncloudAvatarStorage->file_exists("{$path}/avatar.jpg")) {
+			return 'jpg';
+		}
+		if ($this->owncloudAvatarStorage->file_exists("{$path}/avatar.png")) {
+			return 'png';
+		}
+		throw new NotFoundException("{$path}/avatar.jpg|png");
+	}
+
+	protected function buildOwnCloudAvatarPath(string $userId): string {
+		return substr_replace(substr_replace(md5($userId), '/', 4, 0), '/', 2, 0);
+	}
+}